Patent · US Expired

Combustion with reduced carbon in the ash

US6978726B2 · kind B2 · utility

8Cited by
95References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 2003
Grant dateDec 27, 2005
Priority date
Expiry dateMay 13, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E20/34
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

Combustion of coal in which oxygen is injected into the coal as it emerges from burner produces ash having reduced amounts of carbon.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.